-53.29% is the change from 835 to 390
Calculation steps:
[( 390 - 835 ) ÷ 835] x 100 = -53.29%
Formula
Percentage change = [(390 - 835) / 835] x 100
Subtract the new number by the original number
390 - 835 = -445
-445 ÷ 835 = -0.5329341317365269
-0.5329341317365269 x 100 = -53.29%